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Adhesives and Rubbers

Reduction-of-volatile-organic-emissions-from-polyester-compositions

Surface wettable silicone hydrogels

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Flame retardant polyphenylene oxide thermoplastics

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Film and sheet capable of forming retortable and easy-open packagings

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Hot melt adhesive

What is claimed is: 1. A hot melt adhesive composition for bonding polypropylene substrates, said ...

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Oil resistant thermoplastic elastomer

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Coating composition of an acrylic polymer having ethylenically unsaturated groups and an acrylic polymer having primary amine groups

The coating composition contains about 20-80% by weight of binder and 80-20% by weight of a ...

Catalysts for the polymerization of olefins

We claim: 1. A catalyst-forming component for use in preparing catalysts for the polymerization of ...

***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST*** *** NO IMAGES AVAILABLE*** Homogeneous-heterogeneous catalyst system for polyolefins

OF THE INVENTION The multi-catalyst system of the present invention is useful in the ...

Reduction of volatile organic emissions from polyester compositions

Details

Inventors: Olson, Morris R.;
Assignee: Cargill Incorporated (Minneapolis, MN)
Primary Examiner: Pertilla; Theodore E.
Assistant Examiner:
Attorney, Agent or Firm: Fitch, Even, Tabin & Flannery

The invention describes a composition and method for the reduction of volatile organic emissions from polyester compositions having a hydroxyl value of at least 150 using water and an organic solvent.

DETAILED DESCRIPTION What is claimed is: 1.
A coating composition consisting essentially of a polyester having a hydroxyl value of at least about 150, said polyester being a reaction product of a dibasic acid or acid anhydride thereof with a polyol selected from the group consisting of propylene glycol, neopentyl glycol, trimethylol propane and mixtures thereof; a cosolvent comprising water and an organic solvent, said water comprising at least about 2% by weight of said coating composition, said organic solvent having a water solubility in the range from about 5% by weight to complete miscibility in water, and a cross-linking agent miscible with said polyester and with said cosolvent.
2.
A coating composition as recited in claim 1 wherein said polyester has a hydroxyl value in the range of about 150 to about 350 and a number average molecular weight in the range of about 300 to about 1100.
3.
A coating composition as recited in claim 1 wherein the polyester has a solids content in the range of from about 85% to about 100% by weight of the polyester.
4.
A coating composition as recited in claim 1 wherein said dibasic acid or anhydride thereof is selected from the group consisting of isophthalic acid, adipic acid, phthalic acid, terephthalic acid, anhydrides thereof and mixtures thereof.
5.
A coating composition as recited in claim 1 wherein said cross linking agent is an amino resin.
6.
A coating composition as recited in claim 5 wherein said cross linking agent is an amino resin selected from the group consisting of methylated malamine, hexamethoxymethyl melamine, methylated urea and mixtures thereof.
7.
A coating composition as recited in claim 1 wherein said organic solvent is selected from the group consisting of cellosolve acetate, butyl cellosolve, n-butyl alcohol, isobutanol, n-propoxypropanol and mixtures thereof.
8.
A coating composition as recited in claim 1 wherein the water to organic solvent is in ratio in the range of from about 20/80 to about 60/40.
9.
A coating composition in accordance with claim 1 in combination with a pigment, the weight ratio of said pigment to said binder ranging up to about 2 to 1

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